:info:To activate the internal termination resistance see paragraph Setup of USER PORT electric standard, Setup of AUX1 PORT electric standard or Setup of AUX2 PORT polarisation and termination resistances
Communication speed4800 baud (only if used with SERCOM and/or MODBUS device),
9600 baud, 19200 baud, 38400 baud, 57600 baud
Communication modeHalf duplex
Operating modeDifferential
Max. number of devices connected on the line32
Max. cable length1200 m
Input impedence> 12 Kohm
Short-circuit current limit35 mA

Internal wiring diagram of RS485

Cable connection diagram of RS485